Hi, On Thu, Feb 20, 2014 at 11:18:40AM +0300, Alex Nyagah wrote: > I have Cisco 3900 series routers and i want to get E3 and DS3 lines from a > local provider. Which SPA cards are compatible with the 3900 routers. I > have ordered > SPA-XT3/E3 but from the various sources am not sure it is compatible with > the router. > I will appreciate team advice..
There's good material on www.cisco.com about modules for cisco 3900 series... http://bit.ly/1eWROEy What you need is "NM-" modules. In any way, I'd avise against going for E3/DS3 - of all line types we had, those are the worst to troubleshoot, and also having the most weird issues (like "the signal from the telco to our PA-2T3 being too hot and requiring 6dB attenuation"). *Also* the interfaces are just ridiculously expensive. I'd go for 100Mbit ethernet (not sub-rate) if possible - in many cases this is actually cheaper, as carriers who have seen the light are actually trying to get rid of E3/T3 interfaces as well. gert -- USENET is *not* the non-clickable part of WWW! //www.muc.de/~gert/ Gert Doering - Munich, Germany [email protected] fax: +49-89-35655025 [email protected]
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